linkage.exp: Correct file type check for Darwin.

2008-12-02  Jack Howarth  <howarth@bromo.med.uc.edu>

	* gcc.misc-tests/linkage.exp: Correct file type check for Darwin.

From-SVN: r142371

gcc/testsuite/ChangeLog

+2008-12-02  Jack Howarth  <howarth@bromo.med.uc.edu>
+
+	* gcc.misc-tests/linkage.exp: Correct file type check for Darwin.
+
 2008-12-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/38343

gcc/testsuite/gcc.misc-tests/linkage.exp

@@ -73,14 +73,21 @@ if { [isnative] && ![is_remote host] } then {
 	    } elseif [ string match "*32-bit*" $file_string ] {
 		set native_cflags "-m32"
 	    }
-        } elseif [istarget "*-*-darwin*"] {
+        } elseif [istarget "powerpc*-*-darwin*"] {
             set file_string [exec file "linkage-x.o"]
-            if [ string match "*64-bit*" $file_string ] {
+            if [ string match "*ppc64" $file_string ] {
                 set native_cflags "-m64"
-            } elseif [ string match "*32-bit*" $file_string ] {
+            } elseif [ string match "*ppc" $file_string ] {
                 set native_cflags "-m32"
             }
-        }
+        } elseif [istarget "*86*-*-darwin*"] {
+	   set file_string [exec file "linkage-x.o"]
+	   if [ string match "*x86_64" $file_string ] {
+		set native_cflags "-m64"
+	   } elseif [ string match "*i386" $file_string ] {
+		set native_cflags "-m32"
+	   }
+	}
 
 	if [file exists "linkage-y.o"] then {
 	    file delete "linkage-y.o"